chem-data European chemical and regulatory registry

Compound record

Magnesium hydroxide

Also known as MgO2

1309-42-8 · mineral flame retardant · flame retardant

flame retardantcablespolyolefins
Why monitored

Rationale behind the monitoring signal, not just the label.

Lookup labels

MgO2 MAGNESIUM HYDROXIDEMilk of magnesiaMagnesium dihydroxide
CAS 1309-42-8
Formula H2MgO2
Molecular weight 58.32 g/mol
InChIKey VTHJTEIRLNZDEV-UHFFFAOYSA-L

Why monitored

Why this substance is monitored in the EU

Magnesium hydroxide is currently surfaced as no current candidate list row imported in the EU.

The current imported view anchors this substance in CandidateList. The live rationale focuses on No positive Candidate List entry captured in the current imported source set, and this page is designed for fast status checks before deeper source review.

Rows behind the rationale

Imported framework context and legal signals

CandidateList 8 Mar 2026

No current Candidate List row imported

No positive Candidate List entry captured in the current imported source set

Open official source